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/* $OpenBSD: ami_pci.c,v 1.13 2002/12/10 23:13:59 miod Exp $ */
/*
* Copyright (c) 2001 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <machine/bus.h>
#include <scsi/scsi_all.h>
#include <scsi/scsi_disk.h>
#include <scsi/scsiconf.h>
#include <dev/ic/amireg.h>
#include <dev/ic/amivar.h>
#define AMI_BAR 0x10
#define AMI_PCI_MEMSIZE 0x1000
#define AMI_SUBSYSID 0x2c
#define PCI_EBCR 0x40
#define AMI_WAKEUP 0x64
/* "Quartz" i960 Config space */
#define AMI_PCI_INIT 0x9c
#define AMI_INITSTAT(i) (((i) >> 8) & 0xff)
#define AMI_INITTARG(i) (((i) >> 16) & 0xff)
#define AMI_INITCHAN(i) (((i) >> 24) & 0xff)
#define AMI_PCI_SIG 0xa0
#define AMI_SIGNATURE_1 0xcccc /* older adapters */
#define AMI_SIGNATURE_2 0x3344 /* newer adapters */
#define AMI_PCI_SGL 0xa4
#define AMI_SGL_LHC 0x00000299
#define AMI_SGL_HLC 0x00000199
int ami_pci_match(struct device *, void *, void *);
void ami_pci_attach(struct device *, struct device *, void *);
struct cfattach ami_pci_ca = {
sizeof(struct ami_softc), ami_pci_match, ami_pci_attach
};
static const
struct ami_pci_device {
int vendor;
int product;
int flags;
#define AMI_CHECK_SIGN 0x001
} ami_pci_devices[] = {
{ PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID, 0 },
{ PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID428, 0 },
{ PCI_VENDOR_AMI, PCI_PRODUCT_AMI_MEGARAID434, 0 },
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_80960RP_ATU, AMI_CHECK_SIGN },
{ 0 }
};
static const
struct ami_pci_subsys {
pcireg_t id;
char name[12];
} ami_pci_subsys[] = {
/* only those of a special name are listed here */
{ 0x09A0101E, "Dell 466v1" },
{ 0x11111111, "Dell 466v2" },
{ 0x11121111, "Dell 438" },
{ 0x11111028, "Dell 466v3" },
{ 0x10c6103c, "HP 438" },
{ 0x10c7103c, "HP T5/T6" },
{ 0x10cc103c, "HP T7" },
{ 0x10cd103c, "HP 466" },
{ 0 }
};
static const
struct ami_pci_vendor {
u_int16_t id;
char name[8];
} ami_pci_vendors[] = {
{ 0x101e, "AMI" },
{ 0x1028, "Dell" },
{ 0x103c, "HP" },
{ 0 }
};
int
ami_pci_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct pci_attach_args *pa = aux;
const struct ami_pci_device *pami;
pcireg_t sig;
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
return (0);
for (pami = ami_pci_devices; pami->vendor; pami++) {
if (pami->vendor == PCI_VENDOR(pa->pa_id) &&
pami->product == PCI_PRODUCT(pa->pa_id)) {
if (!(pami->flags & AMI_CHECK_SIGN))
return (1);
/* some cards have 0x11223344, but some only 16bit */
sig = pci_conf_read(pa->pa_pc, pa->pa_tag,
AMI_PCI_SIG) & 0xffff;
if (sig == AMI_SIGNATURE_1 ||
sig == AMI_SIGNATURE_2)
return (1);
}
}
return (0);
}
void
ami_pci_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ami_softc *sc = (struct ami_softc *)self;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
const char *intrstr, *model = NULL, *lhc;
const struct ami_pci_subsys *ssp;
bus_size_t size;
pcireg_t csr;
#if 0
/* reset */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_EBCR,
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_EBCR) | 0x20);
pci_conf_write(pa->pa_pc, pa->pa_tag, AMI_WAKEUP, 0);
#endif
csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AMI_BAR);
csr |= PCI_MAPREG_MEM_TYPE_32BIT;
if (pci_mapreg_map(pa, AMI_BAR, csr, 0,
&sc->iot, &sc->ioh, NULL, &size, AMI_PCI_MEMSIZE)) {
printf(": can't map controller pci space\n");
return;
}
if (csr == PCI_MAPREG_TYPE_IO) {
sc->sc_init = ami_schwartz_init;
sc->sc_exec = ami_schwartz_exec;
sc->sc_done = ami_schwartz_done;
} else {
sc->sc_init = ami_quartz_init;
sc->sc_exec = ami_quartz_exec;
sc->sc_done = ami_quartz_done;
}
sc->dmat = pa->pa_dmat;
/* enable bus mastering (should not it be mi?) */
csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE);
if (pci_intr_map(pa, &ih)) {
printf(": can't map interrupt\n");
bus_space_unmap(sc->iot, sc->ioh, size);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ami_intr, sc,
sc->sc_dev.dv_xname);
if (!sc->sc_ih) {
printf(": can't establish interrupt");
if (intrstr)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->iot, sc->ioh, size);
}
printf(": %s", intrstr);
csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
for (ssp = ami_pci_subsys; ssp->id; ssp++)
if (ssp->id == csr) {
model = ssp->name;
break;
}
if (!model && PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMI)
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_AMI_MEGARAID428:
model = "AMI 428";
break;
case PCI_PRODUCT_AMI_MEGARAID434:
model = "AMI 434";
break;
}
/* XXX 438 is netraid 3si for hp cards, but we get to know
they are hp too late in md code */
if (!model) {
const struct ami_pci_vendor *vp;
static char modelbuf[12];
for (vp = ami_pci_vendors;
vp->id && vp->id != (csr & 0xffff); vp++);
if (vp->id)
sprintf(modelbuf, "%s %x", vp->name,
(csr >> 16) & 0xffff);
else
sprintf(modelbuf, "unknown 0x%08x", csr);
model = modelbuf;
}
switch (pci_conf_read(pa->pa_pc, pa->pa_tag, AMI_PCI_SGL)) {
case AMI_SGL_LHC: lhc = "64b/lhc"; break;
case AMI_SGL_HLC: lhc = "64b/hlc"; break;
default: lhc = "32b";
}
printf(" %s/%s\n%s", model, lhc, sc->sc_dev.dv_xname);
if (ami_attach(sc)) {
pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
sc->sc_ih = NULL;
bus_space_unmap(sc->iot, sc->ioh, size);
}
}
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